Home / 7,411.86-11,117.31-2,794.74

Finding the Fourth Proportional to 7,411.86, 11,117.31 and 2,794.74

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Solution

The fourth proportional to 7,411.86, 11,117.31 and 2,794.74 is: 4,191.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,411.86 : 11,117.31 = 2,794.74 : x
  2. Step 2: Convert to fraction form
    7,411.86/11,117.31 = 2,794.74/x
  3. Step 3: Cross multiply
    7,411.86x = 11,117.31 × 2,794.74
  4. Step 4: Simplify right side
    7,411.86x = 31,069,990.95
  5. Step 5: Solve for x
    x = 31,069,990.95/7,411.86
  6. Step 6: Final answer
    x = 4,191.93

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.